fix: Fix memory leak in the webhook service

Author: ragnarpa

pkg/services/webhook.go

@@ -123,14 +123,18 @@ func (s webhookService) Send(notification Notification, dest Destination) error
 	if err != nil {
 		return err
 	}
+	defer resp.Body.Close()
 
 	if !(resp.StatusCode >= 200 && resp.StatusCode <= 299) {
 		data, err := io.ReadAll(resp.Body)
 		if err != nil {
 			data = []byte(fmt.Sprintf("unable to read response data: %v", err))
 		}
 		return fmt.Errorf("request to %s has failed with error code %d : %s", request, resp.StatusCode, string(data))
+	} else {
+		io.Copy(io.Discard, resp.Body)
 	}
+
 	return nil
 }